Dyfyniad APA

Hallstein, W. (1962). United Europe: Challenge and opportunity. Harvard University Press.

Dyfyniad Arddull Chicago

Hallstein, Walter. United Europe: Challenge and Opportunity. Cambridge: Harvard University Press, 1962.

Dyfyniad MLA

Hallstein, Walter. United Europe: Challenge and Opportunity. Harvard University Press, 1962.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.